src/examples/slideshow_example.c

   1 /**
   2  * Simple Elementary's <b>slide show widget</b> example, illustrating its
   3  * usage and API.
   4  *
   5  * See stdout/stderr for output. Compile with:
   6  *
   7  * @verbatim
   8  * gcc -o slideshow_example slideshow_example.c -g `pkg-config --cflags --libs elementary`
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #define PACKAGE_DATA_DIR "../../data"
  14
  15 static void
  16 _on_done(void        *data,
  17          Evas_Object *obj,
  18          void        *event_info)
  19 {
  20    elm_exit();
  21 }
  22
  23 static Evas_Object *slideshow, *bt_start, *bt_stop;
  24 static Elm_Slideshow_Item_Class itc;
  25
  26 static const char *img1 = PACKAGE_DATA_DIR "/images/logo.png";
  27 static const char *img2 = PACKAGE_DATA_DIR "/images/plant_01.jpg";
  28 static const char *img3 = PACKAGE_DATA_DIR "/images/rock_01.jpg";
  29 static const char *img4 = PACKAGE_DATA_DIR "/images/rock_02.jpg";
  30 static const char *img5 = PACKAGE_DATA_DIR "/images/sky_01.jpg";
  31 static const char *img6 = PACKAGE_DATA_DIR "/images/sky_04.jpg";
  32 static const char *img7 = PACKAGE_DATA_DIR "/images/wood_01.jpg";
  33 static const char *img8 = PACKAGE_DATA_DIR "/images/mystrale.jpg";
  34 static const char *img9 = PACKAGE_DATA_DIR "/images/mystrale_2.jpg";
  35
  36 static void
  37 _notify_show(void        *data,
  38              Evas        *e,
  39              Evas_Object *obj,
  40              void        *event_info)
  41 {
  42    evas_object_show(data);
  43 }
  44
  45 /* jump to next item, cyclically */
  46 static void
  47 _next(void        *data,
  48       Evas_Object *obj,
  49       void        *event_info)
  50 {
  51    elm_slideshow_next(data);
  52 }
  53
  54 static void
  55 _previous(void        *data,
  56           Evas_Object *obj,
  57           void        *event_info)
  58 {
  59    elm_slideshow_previous(data);
  60 }
  61
  62 static void
  63 _first(void        *data,
  64        Evas_Object *obj,
  65        void        *event_info)
  66 {
  67    elm_slideshow_item_show(data);
  68 }
  69
  70 static void
  71 _last(void        *data,
  72       Evas_Object *obj,
  73       void        *event_info)
  74 {
  75    elm_slideshow_item_show(data);
  76 }
  77
  78 static void
  79 _mouse_in(void        *data,
  80           Evas        *e,
  81           Evas_Object *obj,
  82           void        *event_info)
  83 {
  84    elm_notify_timeout_set(data, 0.0);
  85    evas_object_show(data);
  86 }
  87
  88 static void
  89 _mouse_out(void        *data,
  90            Evas        *e,
  91            Evas_Object *obj,
  92            void        *event_info)
  93 {
  94    elm_notify_timeout_set(data, 3.0);
  95 }
  96
  97 /* transition changed */
  98 static void
  99 _transition_select(void        *data,
 100            Evas_Object *obj,
 101            void        *event_info)
 102 {
 103    elm_slideshow_transition_set(slideshow, data);
 104    elm_object_text_set(obj, data);
 105 }
 106
 107 static void
 108 _layout_select(void        *data,
 109                Evas_Object *obj,
 110                void        *event_info)
 111 {
 112    elm_slideshow_layout_set(slideshow, data);
 113    elm_object_text_set(obj, data);
 114 }
 115
 116 /* start the show! */
 117 static void
 118 _start(void        *data,
 119        Evas_Object *obj,
 120        void        *event_info)
 121 {
 122    elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 123
 124    elm_object_disabled_set(bt_start, EINA_TRUE);
 125    elm_object_disabled_set(bt_stop, EINA_FALSE);
 126 }
 127
 128 static void
 129 _stop(void        *data,
 130       Evas_Object *obj,
 131       void        *event_info)
 132 {
 133    elm_slideshow_timeout_set(slideshow, 0.0);
 134    elm_object_disabled_set(bt_start, EINA_FALSE);
 135    elm_object_disabled_set(bt_stop, EINA_TRUE);
 136 }
 137
 138 /* slideshow transition time has changed */
 139 static void
 140 _spin(void        *data,
 141       Evas_Object *obj,
 142       void        *event_info)
 143 {
 144    if (elm_slideshow_timeout_get(slideshow) > 0)
 145      elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 146 }
 147
 148 /* get our images to make slideshow items */
 149 static Evas_Object *
 150 _get(void        *data,
 151      Evas_Object *obj)
 152 {
 153    Evas_Object *photo = elm_photo_add(obj);
 154    elm_photo_file_set(photo, data);
 155    elm_photo_fill_inside_set(photo, EINA_TRUE);
 156    elm_object_style_set(photo, "shadow");
 157
 158    return photo;
 159 }
 160
 161 /* ordering alphabetically */
 162 static int
 163 _cmp_func(const void *data1,
 164           const void *data2)
 165 {
 166    const char *img_path1, *img_path2;
 167
 168    const Elm_Object_Item *slide_it1 = data1;
 169    const Elm_Object_Item *slide_it2 = data2;
 170
 171    img_path1 = elm_object_item_data_get(slide_it1);
 172    img_path2 = elm_object_item_data_get(slide_it2);
 173
 174    return strcasecmp(img_path1, img_path2);
 175 }
 176
 177 EAPI_MAIN int
 178 elm_main(int    argc,
 179          char **argv)
 180 {
 181    Evas_Object *win, *bg, *notify, *bx, *bt, *hv, *spin;
 182    Elm_Object_Item *slide_first, *slide_last, *slide_it;
 183    const char *transition, *layout;
 184    const Eina_List *l, *list;
 185
 186    win = elm_win_add(NULL, "slideshow", ELM_WIN_BASIC);
 187    elm_win_title_set(win, "Slideshow example");
 188    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 189    elm_win_autodel_set(win, EINA_TRUE);
 190    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 191    evas_object_resize(win, 600, 400);
 192    evas_object_show(win);
 193
 194    bg = elm_bg_add(win);
 195    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 196    elm_win_resize_object_add(win, bg);
 197    evas_object_show(bg);
 198
 199    slideshow = elm_slideshow_add(win);
 200    elm_slideshow_loop_set(slideshow, EINA_TRUE);
 201    evas_object_size_hint_weight_set(slideshow,
 202                                     EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 203    elm_win_resize_object_add(win, slideshow);
 204    evas_object_show(slideshow);
 205
 206    itc.func.get = _get;
 207    itc.func.del = NULL;
 208
 209    slide_first = elm_slideshow_item_sorted_insert(slideshow, &itc, img1, _cmp_func);
 210    elm_slideshow_item_sorted_insert(slideshow, &itc, img2, _cmp_func);
 211    elm_slideshow_item_sorted_insert(slideshow, &itc, img3, _cmp_func);
 212    elm_slideshow_item_sorted_insert(slideshow, &itc, img4, _cmp_func);
 213    elm_slideshow_item_sorted_insert(slideshow, &itc, img5, _cmp_func);
 214    elm_slideshow_item_sorted_insert(slideshow, &itc, img6, _cmp_func);
 215    elm_slideshow_item_sorted_insert(slideshow, &itc, img7, _cmp_func);
 216    elm_slideshow_item_sorted_insert(slideshow, &itc, img8, _cmp_func);
 217    slide_last = elm_slideshow_item_add(slideshow, &itc, img9);
 218
 219    list = elm_slideshow_items_get(slideshow);
 220    fprintf(stdout, "List of items in the slideshow:\n");
 221    EINA_LIST_FOREACH(list, l, slide_it)
 222      fprintf(stdout, "\t%s\n",
 223              (const char *)elm_object_item_data_get(slide_it));
 224
 225    notify = elm_notify_add(win);
 226    elm_notify_orient_set(notify, ELM_NOTIFY_ORIENT_BOTTOM);
 227    evas_object_size_hint_weight_set(notify, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 228    elm_win_resize_object_add(win, notify);
 229    elm_notify_timeout_set(notify, 3.0);
 230
 231    bx = elm_box_add(win);
 232    elm_box_horizontal_set(bx, EINA_TRUE);
 233    elm_object_content_set(notify, bx);
 234    evas_object_show(bx);
 235
 236    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_IN, _mouse_in,
 237                                   notify);
 238    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_OUT, _mouse_out,
 239                                   notify);
 240
 241    bt = elm_button_add(win);
 242    elm_object_text_set(bt, "Previous");
 243    evas_object_smart_callback_add(bt, "clicked", _previous, slideshow);
 244    elm_box_pack_end(bx, bt);
 245    evas_object_show(bt);
 246
 247    bt = elm_button_add(win);
 248    elm_object_text_set(bt, "Next");
 249    evas_object_smart_callback_add(bt, "clicked", _next, slideshow);
 250    elm_box_pack_end(bx, bt);
 251    evas_object_show(bt);
 252
 253    bt = elm_button_add(win);
 254    elm_object_text_set(bt, "First");
 255    evas_object_smart_callback_add(bt, "clicked", _first, slide_first);
 256    elm_box_pack_end(bx, bt);
 257    evas_object_show(bt);
 258
 259    bt = elm_button_add(win);
 260    elm_object_text_set(bt, "Last");
 261    evas_object_smart_callback_add(bt, "clicked", _last, slide_last);
 262    elm_box_pack_end(bx, bt);
 263    evas_object_show(bt);
 264
 265    hv = elm_hoversel_add(win);
 266    elm_box_pack_end(bx, hv);
 267    elm_hoversel_hover_parent_set(hv, win);
 268    EINA_LIST_FOREACH(elm_slideshow_transitions_get(slideshow), l, transition)
 269      elm_hoversel_item_add(hv, transition, NULL, 0, _transition_select,
 270                            transition);
 271    elm_object_text_set(hv, eina_list_data_get(
 272                          elm_slideshow_transitions_get(slideshow)));
 273    evas_object_show(hv);
 274
 275    hv = elm_hoversel_add(win);
 276    elm_box_pack_end(bx, hv);
 277    elm_hoversel_hover_parent_set(hv, win);
 278    EINA_LIST_FOREACH(elm_slideshow_layouts_get(slideshow), l, layout)
 279      elm_hoversel_item_add(hv, layout, NULL, 0, _layout_select, layout);
 280    elm_object_text_set(hv, elm_slideshow_layout_get(slideshow));
 281    evas_object_show(hv);
 282
 283    spin = elm_spinner_add(win);
 284    elm_spinner_label_format_set(spin, "%2.0f s");
 285    evas_object_smart_callback_add(spin, "changed", _spin, spin);
 286    elm_spinner_step_set(spin, 1);
 287    elm_spinner_min_max_set(spin, 1, 30);
 288    elm_spinner_value_set(spin, 3);
 289    elm_box_pack_end(bx, spin);
 290    evas_object_show(spin);
 291
 292    bt = elm_button_add(win);
 293    bt_start = bt;
 294    elm_object_text_set(bt, "Start");
 295    evas_object_smart_callback_add(bt, "clicked", _start, spin);
 296    elm_box_pack_end(bx, bt);
 297    evas_object_show(bt);
 298
 299    bt = elm_button_add(win);
 300    bt_stop = bt;
 301    elm_object_text_set(bt, "Stop");
 302    evas_object_smart_callback_add(bt, "clicked", _stop, spin);
 303    elm_box_pack_end(bx, bt);
 304    elm_object_disabled_set(bt, EINA_TRUE);
 305    evas_object_show(bt);
 306
 307    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_UP,
 308                                   _notify_show, notify);
 309    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_MOVE,
 310                                   _notify_show, notify);
 311
 312    _notify_show(notify, NULL, NULL, NULL);
 313
 314    elm_run();
 315    elm_shutdown();
 316
 317    return 0;
 318 }
 319 ELM_MAIN()